{
  "manageEntity": {
    "action": "Update",
    "entityId": "296089857",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xed0cd0c57906305f49aab91008ad3c6c1463b933ba44d76b3e14d9b72993c46f",
    "signature": "0xc33e15e088afe9f5db063a6742474adb1eede94ab288b45792e37d5968f8c9d976b15704fcc2e5d0166f28934d399f49552bd5af9e89d5d8b94605ff4cba51381b",
    "signer": "0xc3cd8d00194d20Fc35704508Bbe2386080a86aE4",
    "userId": "296089857"
  }
}